Same kind of bug than those reported in this thread (http://www.sencha.com/forum/showthread.php?246259-ST2.1-RC2-SQL-Proxy-accessing-incorrect-Filter-property) and this one (http://www.sencha.com/forum/showthread.php?246177-ST2.1-RC2-Crash-when-new-SQL-Proxy-without-quot-filter-quot), but 13 lines below ;)